#!/usr/bin/env python
from ..samplebase import SampleBase


class SimpleSquare(SampleBase):
    def __init__(self, *args, **kwargs):
        super(SimpleSquare, self).__init__(*args, **kwargs)

    def run(self):
        offset_canvas = self.matrix.CreateFrameCanvas()
        while True:
            for x in range(0, self.matrix.width):
                offset_canvas.SetPixel(x, x, 255, 255, 255)
                offset_canvas.SetPixel(offset_canvas.height - 1 - x, x, 255, 0, 255)

            for x in range(0, offset_canvas.width):
                offset_canvas.SetPixel(x, 0, 255, 0, 0)
                offset_canvas.SetPixel(x, offset_canvas.height - 1, 255, 255, 0)

            for y in range(0, offset_canvas.height):
                offset_canvas.SetPixel(0, y, 0, 0, 255)
                offset_canvas.SetPixel(offset_canvas.width - 1, y, 0, 255, 0)
            offset_canvas = self.matrix.SwapOnVSync(offset_canvas)


# Main function
if __name__ == "__main__":
    simple_square = SimpleSquare()
    if (not simple_square.process()):
        simple_square.print_help()